NASA used micrographs of achondrite meteorites as lunar surface. For
example, the following Apollo images of lunar surface show many
microscopic neuron remains:
http://www.wretch.cc/album/show.php?i=lin440315&b=30&f=1044259863&p=40
http://www.wretch.cc/album/show.php?i=lin440315&b=30&f=1044259864&p=41
Source:
http://www.lpi.usra.edu/resources/apollo/frame/?AS11-40-5877
http://www.lpi.usra.edu/resources/apollo/images/print/AS11/40/5877.jpg
http://www.lpi.usra.edu/resources/apollo/catalog/70mm/magazine/?40

Another example of neuron remains in faked image:
http://www.wretch.cc/album/show.php?i=lin440315&b=30&f=1044228676&p=29
Source:
http://www.lpi.usra.edu/lunar/samples/atlas/detail/?mission=Apollo%2011&sample=10065

Obvious neuron remains in moon rock:
http://www.wretch.cc/album/show.php?i=lin440315&b=30&f=1044202160&p=20
Source:
http://www.lpi.usra.edu/lunar/samples/atlas/thin_section/?mission=Apollo%2016&sample=65015&source_id=JSC08502
Terrestrial neurons for comparison:
http://www.vetmed.vt.edu/education/Curriculum/VM8054/Labs/Lab9/lab9.htm

Read More At  http://www.wretch.cc/blog/lin440315&category_id=0